Is this power supply suitable for a system that runs a lot of drives, video cards, and other components?

Yes, this power supply is suitable for a system with many drives and components as it offers 16 SATA connectors, 8 PATA connectors, and supports high power output.

Is the case layout important when purchasing PSU CORSAIR RM1000x Shift 1000W?

Yes, the case layout is important as the PSU features side-mounted ports which may require adequate space for installation.

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CORSAIR RMx SHIFT Series RM1000x Fully Modular ATX Power Supply - Modular Side Interface - native 12V-2x6 cable; ATX 3.1 & PCIe 5.1 Compliant - Fan-Speed Control Knob -105°C Rated Japanese Capacitors

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Options: ATX 3.0 80+ Gold (1000W) Shift

ATX 80+ Gold (650W)
ATX 3.1 80+ Gold (1000W)
ATX 3.1 80+ Gold (850W)
ATX 3.1 80+ Gold (750W)
ATX 3.0 80+ Gold (1000W) Shift
ATX 3.1 80+ Gold (850W) Shift
ATX 3.1 80+ Gold (1000W) Shift
ATX 3.1 80+ Gold (1200W) Shift

Innovative Easy-Access Connection Position: Modular connections on the side of the PSU mean easier access for your cables and simpler, cleaner
cable management.
Native 12V-2x6 GPU Cable: Easily power modern graphics cards such as the NVIDIA® GeForce RTX™ 50 Series.
Fully Modular Connectors: CORSAIR Type-5 PSU cables are smaller, giving you plenty of room to route your cables, while their modularity ensures you only connect what your system needs.
Debossed PVC Cable Kit: Ultra flexible cable kit sets a new standard for cable management, with included low-profile combs making for a neater look and easier overall build.
140mm Fluid Dynamic Bearing Fan: Utilizes a specially calculated fan curve for high performance, low noise, and superior reliability.
Zero RPM Fan Mode Support: At low and medium loads the cooling fan switches off entirely for near-silent operation.
Fan Speed Knob: Users have the freedom to adjust the fan speed to their own needs.
Cybenetics Gold Certified: Steady power output at up to 89% overall efficiency and certified for lower power consumption, less noise, and cooler
temperatures.
Intel® ATX 3.1 Certified: Compliant with the ATX 3.1 power standard, supporting the PCIe Gen 5.1 platform and resisting transient power spikes.
105°C-Rated 100% Japanese Capacitors: Premium internal components deliver unwavering power delivery and long-term reliability.

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Overview

Specs

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General
Brand	CORSAIR
Series	RM1000x Shift
Model	CP-9020253-NA

Details
Type	ATX / ATX 3.0 Compatible
Maximum Power	1000 W
Fans	1 x 140mm fluid dynamic bearing fan
Main Connector	1x 24-pin ATX (24-pin) Connector
PCI-Express Connector	3 x 6+2-Pin
SATA Power Connector	16
Max PSU Length	180 mm
Modular	Full Modular
Energy-Efficient	80 PLUS GOLD Certified
PSU Noise Level	Cybenetics A
Input Voltage	100V a.c-240V a.c 200V a.c-240V a.c (Only for China &Korea)
Input Frequency Range	47 - 63 Hz
Input Current	12A-6A (100V a.c-240V a.c) 10A (200V a.c-240V a.c)
Output	+5V@20A, +3.3V@20A, [email protected], +5Vsb@3A
Connectors	1x 24-pin ATX (24-pin) 2x ATX 12V/EPS12V (4+4-pin) 1x PCIe 5 (12+4-pin) 12VHPWR 4x PCIe (6+2-pin, dual) 3x PCIe (6+2-pin) 16x SATA (Straight) 8x PATA
Cable Spec	1x ATX CABLE 24-PIN (24): One cable (610mm) 2x EPS/ATX12V CABLE 8-PIN (4+4): Two cables (650mm) 1x PCIe CABLE 12+4-PIN(12+4): One cable(650mm) 2x PCIe CABLE 8-PIN (6+2)X2: Two cables (650mm + 100mm) 3x PCIe CABLE 8-PIN 6+2): Three cable(650mm) 4x SATA CABLE (4 SATA - (right angle): Four cables (455mm + 115mm + 115mm + 115mm) 2x PATA CABLE (4-PIN): Two cables (450mm + 100mm + 100mm + 100mm)

Features
Features	Innovative positioning for the modular connections on the side of the PSU means easier access to connections and simpler, cleaner cable management. Fully modular, CORSAIR Type 5 Gen 1 micro-fit PSU cables, so you only connect the cables your system needs while taking up less space. A 140mm fluid dynamic bearing fan utilizes a specially calculated fan curve for high performance, low noise, and superior reliability. Compliant with the ATX 3.0 power standard from Intel®, supporting the PCIe Gen 5 platform and resisting transient power spikes. 100% Industrial-grade, 105°C-rated Japanese electrolytic capacitors deliver unwavering power and reliability. Supports Modern Standby sleep mode for extremely fast wake-from-sleep times and better low-load efficiency. 80 PLUS Gold certified for up to 90% efficiency and Cybenetics-certified for lower power consumption, less noise, and cooler temperatures. Supports Zero RPM fan mode for near-silent operation at low to medium loads. Resonant LLC Topology with DC-to-DC Conversion provides clean, consistent power and enables use of more energy-efficient sleep states

Dimension & Weight
Dimensions	7.09" x 5.91" x 5.08"
Weight	4.2 lbs

Package
Package Content	1x 24-pin ATX (24-pin) Connector 2x ATX 12V/EPS12V (4+4-pin) Connector 1x PCIe 5 (12+4-pin) 12VHPWR Connector 4x PCIe (6+2-pin, dual) Connectors 3x PCIe (6+2-pin) Connectors 16x SATA (Straight) Connectors 8x PATA Connectors

Additional Information
First Listed on Newegg	July 03, 2026

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CORSAIR RMx SHIFT Series RM1000x Fully Modular ATX Power Supply - Modular Side Interface - native 12V-2x6 cable; ATX 3.1 & PCIe 5.1 Compliant - Fan-Speed Control Knob -105°C Rated Japanese Capacitors

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CORSAIR RMx SHIFT Series RM1000x Fully Modular ATX Power Supply - Modular Side Interface - native 12V-2x6 cable; ATX 3.1 & PCIe 5.1 Compliant - Fan-Speed Control Knob -105°C Rated Japanese Capacitors

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Customer Reviews of the Corsair CP-9020253-NA

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